The state having the greatest extent of flood basalts is ________.
A) Arizona
B) Idaho
C) California
D) Washington
E) Arkansas

Name: The state having the greatest extent of flood basalts is ________. A) Arizona B) Idaho C) California D) Washington E) Arkansas
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Washington is known for the Columbia River Basalt Group, which is one of the largest sequences of flood basalts in the world, covering much of the state and extending into Oregon and Idaho.

The State Having the Greatest Extent of Flood Basalts Is